218251503

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{57329}}^1$

素因数の和:57388

約数の個数: 20

約数和(自身を含む): 332972640

約数和(自身を除く): 114721137

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 57329, 171987, 515961, 1547883, 2694463, 4643649, 8083389, 24250167, 72750501, 218251503]

約数ペア:

[(1, 218251503), (3, 72750501), (9, 24250167), (27, 8083389), (47, 4643649), (81, 2694463), (141, 1547883), (423, 515961), (1269, 171987), (3807, 57329)]